HK1051732A1 - Detector for scattered light - Google Patents

Detector for scattered light

Info

Publication number
HK1051732A1
HK1051732A1 HK03103918A HK03103918A HK1051732A1 HK 1051732 A1 HK1051732 A1 HK 1051732A1 HK 03103918 A HK03103918 A HK 03103918A HK 03103918 A HK03103918 A HK 03103918A HK 1051732 A1 HK1051732 A1 HK 1051732A1
Authority
HK
Hong Kong
Prior art keywords
light
flow path
detector
scattered
centre
Prior art date
Application number
HK03103918A
Other languages
English (en)
Inventor
Kai-Uwe Preikszas
Andreas Siemens
Original Assignee
Wagner Alarm Sicherung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wagner Alarm Sicherung filed Critical Wagner Alarm Sicherung
Publication of HK1051732A1 publication Critical patent/HK1051732A1/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/064—Stray light conditioning
    • G01N2201/0642—Light traps; baffles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Optical Measuring Cells (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Drying Of Semiconductors (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Surgical Instruments (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
HK03103918A 1999-11-17 2003-06-03 Detector for scattered light HK1051732A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19955362A DE19955362B4 (de) 1999-11-17 1999-11-17 Streulichtdetektor
PCT/EP2000/011258 WO2001037235A1 (de) 1999-11-17 2000-11-14 Streulichtdetektor

Publications (1)

Publication Number Publication Date
HK1051732A1 true HK1051732A1 (en) 2003-08-15

Family

ID=7929393

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03103918A HK1051732A1 (en) 1999-11-17 2003-06-03 Detector for scattered light

Country Status (15)

Country Link
US (1) US6831289B1 (xx)
EP (1) EP1232489B1 (xx)
JP (1) JP4679019B2 (xx)
KR (1) KR100741184B1 (xx)
CN (1) CN1140884C (xx)
AT (1) ATE247317T1 (xx)
AU (1) AU766918B2 (xx)
CA (1) CA2390937C (xx)
DE (2) DE19955362B4 (xx)
DK (1) DK1232489T3 (xx)
ES (1) ES2202186T3 (xx)
HK (1) HK1051732A1 (xx)
PT (1) PT1232489E (xx)
TW (1) TW501078B (xx)
WO (1) WO2001037235A1 (xx)

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JP4980101B2 (ja) * 2007-03-08 2012-07-18 能美防災株式会社 煙感知器
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US7733486B2 (en) * 2007-06-27 2010-06-08 Venturedyne, Ltd. Environmental sensor including a baffle
US7659980B1 (en) 2008-11-24 2010-02-09 Herbert Leckie Mitchell Nephelometric turbidity sensor device
JP4948624B2 (ja) * 2010-05-06 2012-06-06 シャープ株式会社 濁度検知器
GB2505858B (en) * 2011-06-30 2017-03-01 Hochiki Co Scattered light-type smoke detection apparatus
JP5972168B2 (ja) * 2011-09-02 2016-08-17 日本フェンオール株式会社 吸引式煙感知システム
JP6029055B2 (ja) * 2011-10-24 2016-11-24 パナソニックＩｐマネジメント株式会社 煙感知器
DE102014210574A1 (de) * 2014-06-04 2015-12-17 Robert Bosch Gmbh Messvorrichtung und Verfahren zur Bestimmung der asthmatisch wirksamen Belastung bei einem Menschen oder Tier
US9726579B2 (en) 2014-12-02 2017-08-08 Tsi, Incorporated System and method of conducting particle monitoring using low cost particle sensors
US9514623B1 (en) 2015-05-15 2016-12-06 Google Inc. Smoke detector chamber architecture and related methods using two different wavelengths of light
US9196141B1 (en) 2015-05-15 2015-11-24 Google, Inc. Smoke detector chamber
CN110766906B (zh) * 2015-05-15 2021-03-30 谷歌有限责任公司 烟雾探测器室结构及相关方法
CN108369180B (zh) * 2015-12-31 2022-12-16 简·探针公司 用于分析样品和监测光信号检测器的性能的系统和方法
JP6940844B2 (ja) * 2016-06-07 2021-09-29 オクト産業株式会社 塵埃認識装置
CN107219197A (zh) * 2016-12-20 2017-09-29 苏州赛德福科学仪器有限公司 一种蒸发光散射检测器的检测室
KR102568945B1 (ko) * 2017-01-02 2023-08-22 엘지이노텍 주식회사 입자 센싱 장치
KR102026983B1 (ko) * 2018-03-29 2019-09-30 두산중공업 주식회사 가스터빈 내 파이프를 통과하는 유체의 오염물을 모니터링 하는 시스템 및 그 방법
KR102490311B1 (ko) * 2018-04-25 2023-01-20 주식회사 히타치엘지 데이터 스토리지 코리아 먼지 센서
WO2020014187A1 (en) * 2018-07-10 2020-01-16 Gerrit Jan Van Den Engh System, apparatus and method for off-axis illumination in flow cytometry
DE102018125494A1 (de) 2018-10-15 2020-04-16 Bombardier Transportation Gmbh Rauchmelder zum streckenweisen Detektieren von Rauch, sowie Fahrzeug aufweisend einen Rauchmelder
CN111199628A (zh) 2018-11-20 2020-05-26 海湾安全技术有限公司 烟雾探测器
CN111693417A (zh) * 2019-03-15 2020-09-22 研能科技股份有限公司 微粒检测装置
CN111693418A (zh) * 2019-03-15 2020-09-22 研能科技股份有限公司 微粒检测装置
TWI724386B (zh) * 2019-03-15 2021-04-11 研能科技股份有限公司 微粒偵測裝置
CN115240358A (zh) * 2022-05-25 2022-10-25 中国船舶重工集团公司第七0三研究所 一种用于烟雾浓度检测的吸气式感烟探测结构

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Also Published As

Publication number Publication date
AU766918B2 (en) 2003-10-23
CA2390937A1 (en) 2001-05-25
ATE247317T1 (de) 2003-08-15
CN1140884C (zh) 2004-03-03
EP1232489B1 (de) 2003-08-13
US6831289B1 (en) 2004-12-14
EP1232489A1 (de) 2002-08-21
WO2001037235A1 (de) 2001-05-25
PT1232489E (pt) 2003-12-31
DE19955362A1 (de) 2001-05-31
KR100741184B1 (ko) 2007-07-19
AU1280201A (en) 2001-05-30
CN1391685A (zh) 2003-01-15
JP4679019B2 (ja) 2011-04-27
KR20020068045A (ko) 2002-08-24
DE19955362B4 (de) 2004-07-08
TW501078B (en) 2002-09-01
CA2390937C (en) 2009-01-20
DK1232489T3 (da) 2003-12-15
JP2003515144A (ja) 2003-04-22
DE50003314D1 (de) 2003-09-18
ES2202186T3 (es) 2004-04-01

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20151114